/* ==========================================================================
   KENZEN PREMIUM DESIGN SYSTEM
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+Thai:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #0a0a0c;
  --bg-secondary: #111115;
  --bg-tertiary: #181820;
  
  --primary-gold: #dcb36c;
  --primary-gold-hover: #c59d57;
  --primary-gold-glow: rgba(220, 179, 108, 0.15);
  --accent-bronze: #8f6e35;
  
  --text-primary: #ffffff;
  --text-secondary: #a0a0ab;
  --text-muted: #6f6f76;
  
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.1);
  --error: #ef4444;
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-gold-glass: rgba(220, 179, 108, 0.2);
  
  /* Layout & Spacing */
  --container-width: 1200px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* Glassmorphism */
  --glass-bg: rgba(17, 17, 21, 0.7);
  --glass-blur: blur(16px);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

/* Base Reset & Styling */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans Thai', 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'Noto Sans Thai', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

button, input, textarea, select {
  font-family: inherit;
  outline: none;
  border: none;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-gold);
}

/* ==========================================================================
   REUSABLE UTILITIES & EFFECTS
   ========================================================================== */

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  box-shadow: var(--glass-shadow);
  border-radius: 20px;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: var(--border-gold-glass);
  box-shadow: 0 12px 40px 0 rgba(220, 179, 108, 0.05);
}

.gold-gradient-text {
  background: linear-gradient(135deg, #ffe0a3 0%, var(--primary-gold) 50%, var(--accent-bronze) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--primary-gold) 0%, var(--accent-bronze) 100%);
  color: #000;
  font-weight: 700;
  padding: 1rem 2.25rem;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(220, 179, 108, 0.2);
  transition: var(--transition-bounce);
  font-size: 1rem;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(220, 179, 108, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  font-weight: 600;
  padding: 1rem 2.25rem;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 1rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.section-title-wrapper {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: var(--primary-gold-glow);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  border: 1px solid rgba(220, 179, 108, 0.2);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #fff;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ==========================================================================
   NAVIGATION HEADER
   ========================================================================== */

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition-smooth);
}

header.scrolled {
  padding: 0.8rem 0;
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Outfit', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.logo span {
  color: var(--primary-gold);
}

.logo i {
  color: var(--primary-gold);
  filter: drop-shadow(0 0 5px var(--primary-gold-glow));
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav ul a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.3rem 0;
}

nav ul a:hover, nav ul a.active {
  color: var(--primary-gold);
}

nav ul a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gold);
  transition: var(--transition-smooth);
}

nav ul a:hover::after, nav ul a.active::after {
  width: 100%;
}

.nav-cta {
  font-size: 0.9rem !important;
  padding: 0.6rem 1.25rem !important;
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
  min-height: 100vh;
  padding-top: 8rem;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(220, 179, 108, 0.08) 0%, rgba(10, 10, 12, 0) 50%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.015'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  width: fit-content;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.hero-badge i {
  color: var(--primary-gold);
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.hero-cta-wrapper {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.hero-promo-badge {
  display: flex;
  flex-direction: column;
}

.promo-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--primary-gold);
  letter-spacing: 0.05em;
  font-weight: 700;
}

.promo-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.promo-original {
  font-size: 0.9rem;
  text-decoration: line-through;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.trust-badges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.trust-badge-item i {
  font-size: 1.5rem;
  color: var(--primary-gold);
}

.trust-badge-text h4 {
  font-size: 0.95rem;
  color: #fff;
}

.trust-badge-text p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Hero Media Layout */
.hero-media {
  position: relative;
}

.hero-img-container {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  border: 1px solid var(--border-glass);
}

.hero-img-container img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
  transition: transform 0.8s ease;
}

.hero-img-container:hover img {
  transform: scale(1.03);
}

.hero-floating-card {
  position: absolute;
  bottom: 2rem;
  left: -2rem;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 260px;
}

.floating-avatar-group {
  display: flex;
  margin-right: -0.5rem;
}

.floating-avatar-group img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--bg-tertiary);
  margin-right: -10px;
}

.floating-card-info h4 {
  font-size: 0.9rem;
}

.floating-card-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   FEATURES / BENEFITS SECTION
   ========================================================================== */

.features {
  padding: 8rem 0;
  background-color: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 5rem;
}

.feature-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: var(--primary-gold-glow);
  border: 1px solid var(--border-gold-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon-box i {
  font-size: 1.5rem;
  color: var(--primary-gold);
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: #fff;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Layer Explorer */
.layer-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3.5rem;
}

.layer-diagram-container {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  background: var(--bg-tertiary);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

.layer-diagram-container:hover {
  border-color: var(--border-gold-glass);
  box-shadow: 0 12px 35px rgba(220, 179, 108, 0.08);
  transform: translateY(-3px);
}

.layer-diagram-container img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  max-height: 280px;
}

.layer-visuals {
  position: relative;
  height: 350px;
}

.fabric-layer {
  position: absolute;
  width: 80%;
  left: 10%;
  height: 50px;
  background: linear-gradient(135deg, #1b1b22 0%, #2e2e38 100%);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  transform: perspective(600px) rotateX(45deg) rotateY(-5deg) rotateZ(-10deg);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  cursor: pointer;
}

.fabric-layer span {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary-gold);
  margin-right: 1rem;
  background: rgba(0, 0, 0, 0.3);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fabric-layer p {
  font-size: 0.85rem;
  font-weight: 600;
}

.fabric-layer:nth-child(1) { top: 0px; z-index: 5; }
.fabric-layer:nth-child(2) { top: 60px; z-index: 4; }
.fabric-layer:nth-child(3) { top: 120px; z-index: 3; }
.fabric-layer:nth-child(4) { top: 180px; z-index: 2; }
.fabric-layer:nth-child(5) { top: 240px; z-index: 1; }

.fabric-layer:hover {
  transform: perspective(600px) rotateX(40deg) rotateY(-3deg) rotateZ(-8deg) translateY(-10px);
  border-color: var(--primary-gold);
  background: linear-gradient(135deg, #22222b 0%, #3e3e4c 100%);
}

.layer-details-box h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.layer-steps-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.layer-step {
  display: flex;
  gap: 1rem;
}

.layer-num {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--primary-gold);
  background: var(--primary-gold-glow);
  border: 1px solid var(--border-gold-glass);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.layer-text h4 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 0.25rem;
}

.layer-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   INTERACTIVE VEHICLE MATCHER
   ========================================================================== */

.vehicle-matcher {
  padding: 8rem 0;
}

.matcher-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: center;
}

.vehicle-selectors {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vehicle-btn {
  padding: 1.25rem 2rem;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.vehicle-btn-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.vehicle-btn i {
  font-size: 1.25rem;
}

.vehicle-btn span {
  font-size: 1.1rem;
  font-weight: 600;
}

.vehicle-btn .chevron {
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.vehicle-btn.active {
  background: var(--primary-gold-glow);
  border-color: var(--primary-gold);
  color: var(--primary-gold);
}

.vehicle-btn.active .chevron {
  transform: rotate(90deg);
}

.vehicle-display-card {
  padding: 3rem;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.vehicle-display-split-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  height: 100%;
}

.matcher-car-image-container {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  height: 280px;
  transition: var(--transition-smooth);
}

.matcher-car-image-container:hover {
  border-color: var(--border-gold-glass);
  box-shadow: 0 12px 35px rgba(220, 179, 108, 0.08);
}

.matcher-car-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s ease;
}

.matcher-car-image-container:hover img {
  transform: scale(1.05);
}

.vehicle-display-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(220, 179, 108, 0.05) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

.matcher-display-content {
  animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.matcher-display-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.matcher-display-content h3 i {
  color: var(--primary-gold);
}

.compatibility-badge {
  display: inline-block;
  background: var(--success-glow);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  width: fit-content;
}

.matcher-display-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.matcher-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.matcher-spec-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.matcher-spec-item i {
  color: var(--primary-gold);
}

.matcher-spec-item span {
  font-size: 0.95rem;
  font-weight: 500;
}

/* ==========================================================================
   DIMENSIONS EXPLORER SECTION
   ========================================================================== */

.dimensions {
  padding: 8rem 0;
  background-color: var(--bg-secondary);
}

.dimensions-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.dimensions-image-container {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
}

.dimensions-image-container img {
  width: 100%;
  height: auto;
  display: block;
}

.dimensions-magnifier-tip {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(5px);
  padding: 0.4rem 0.8rem;
  border-radius: 5px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dimensions-magnifier-tip i {
  color: var(--primary-gold);
}

.dimensions-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.dimension-item {
  padding: 1.5rem;
}

.dimension-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.dimension-header h4 {
  font-size: 1.15rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dimension-header h4 i {
  color: var(--primary-gold);
}

.dimension-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-gold);
  background: var(--primary-gold-glow);
  padding: 0.2rem 0.6rem;
  border-radius: 5px;
}

.dimension-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   CLEANING SHOWCASE SECTION
   ========================================================================== */

.cleaning {
  padding: 8rem 0;
}

.cleaning-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.cleaning-tab-btn {
  padding: 1rem 2rem;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cleaning-tab-btn i {
  font-size: 1.2rem;
}

.cleaning-tab-btn:hover {
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.cleaning-tab-btn.active {
  background: var(--primary-gold-glow);
  border-color: var(--primary-gold);
  color: var(--primary-gold);
}

.cleaning-tab-content-card {
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.cleaning-detail-info h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cleaning-detail-info p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.cleaning-tip-box {
  background: rgba(220, 179, 108, 0.05);
  border-left: 4px solid var(--primary-gold);
  padding: 1.25rem;
  border-radius: 0 10px 10px 0;
}

.cleaning-tip-box h5 {
  font-size: 0.95rem;
  color: var(--primary-gold);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.cleaning-tip-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.cleaning-panel-image {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.cleaning-panel-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   ORDERING & DIRECT CHECKOUT SECTION
   ========================================================================== */

.checkout {
  padding: 8rem 0;
  background-color: var(--bg-secondary);
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.checkout-left-summary {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.product-order-card {
  padding: 2.5rem;
}

.product-order-meta {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 2rem;
}

.product-order-thumb {
  width: 100px;
  height: 100px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
  flex-shrink: 0;
}

.product-order-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-order-title h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 0.25rem;
}

.product-order-title p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.price-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.price-current {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-gold);
}

.price-original {
  font-size: 1rem;
  text-decoration: line-through;
  color: var(--text-muted);
}

/* Quantity Selection */
.qty-label-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.qty-label-wrapper h4 {
  font-size: 1.05rem;
}

.qty-discount-tip {
  font-size: 0.85rem;
  color: var(--primary-gold);
  font-weight: 600;
}

.qty-packages {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.package-btn {
  padding: 1.25rem;
  border-radius: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.package-btn:hover {
  border-color: rgba(255,255,255,0.15);
}

.package-btn-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.package-btn-left input[type="radio"] {
  accent-color: var(--primary-gold);
  width: 18px;
  height: 18px;
}

.package-details {
  display: flex;
  flex-direction: column;
}

.package-name {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.package-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.package-price {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.package-btn.active {
  background: var(--primary-gold-glow);
  border-color: var(--primary-gold);
}

.package-btn.active .package-price {
  color: var(--primary-gold);
}

/* Pricing Breakdown */
.pricing-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 1.5rem;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.breakdown-row.total {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  border-top: 1px dashed var(--border-glass);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

.breakdown-row.total span:last-child {
  color: var(--primary-gold);
}

/* Shipping Form */
.checkout-right-form {
  padding: 3rem;
}

.checkout-right-form h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group label span {
  color: var(--error);
}

.form-control {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: #fff;
  padding: 0.9rem 1.25rem;
  border-radius: 10px;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--primary-gold);
  box-shadow: 0 0 10px var(--primary-gold-glow);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* ==========================================================================
   PROMPTPAY QR MODAL & SLIP UPLOAD DRAWER
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 90%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 3rem;
  transform: scale(0.9);
  transition: var(--transition-bounce);
  position: relative;
}

.modal-backdrop.active .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.payment-modal-body {
  text-align: center;
}

.payment-modal-body h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.payment-modal-body p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

/* PromptPay Card */
.promptpay-card {
  background: #fff;
  border-radius: 16px;
  padding: 1.5rem;
  width: 250px;
  margin: 0 auto 2rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  color: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.promptpay-logo {
  width: 140px;
  height: auto;
  margin-bottom: 1rem;
}

.qr-code-img {
  width: 180px;
  height: 180px;
  object-fit: contain;
  margin-bottom: 1rem;
}

.promptpay-total {
  font-size: 1.25rem;
  font-weight: 800;
  color: #000;
  border-top: 1px dashed #ccc;
  width: 100%;
  padding-top: 0.75rem;
  text-align: center;
}

.bank-details-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 2rem;
  text-align: left;
}

.bank-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.bank-row:last-child {
  margin-bottom: 0;
}

.bank-row span:first-child {
  color: var(--text-secondary);
}

.bank-row span:last-child {
  font-weight: 600;
  color: #fff;
}

.copy-acc-btn {
  background: none;
  color: var(--primary-gold);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  margin-left: 0.5rem;
}

.copy-acc-btn:hover {
  text-decoration: underline;
}

/* Slip Upload Zone */
.upload-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  text-align: left;
}

.dropzone {
  border: 2px dashed var(--border-glass);
  border-radius: 12px;
  padding: 2.5rem 1.5rem;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
}

.dropzone.dragover, .dropzone:hover {
  border-color: var(--primary-gold);
  background: rgba(220, 179, 108, 0.02);
}

.dropzone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.dropzone-content i {
  font-size: 2.5rem;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.dropzone:hover .dropzone-content i {
  color: var(--primary-gold);
  transform: translateY(-3px);
}

.dropzone-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

.dropzone-content span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.slip-preview-container {
  display: none;
  flex-direction: column;
  align-items: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-tertiary);
  padding: 1rem;
}

.slip-preview-container img {
  max-height: 80%;
  max-width: 100%;
  object-fit: contain;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

.remove-slip-btn {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.remove-slip-btn:hover {
  background: var(--error);
  color: #fff;
}

/* Success Modal Styles */
.success-illustration {
  width: 72px;
  height: 72px;
  background: var(--success-glow);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success);
  font-size: 2.5rem;
  margin: 0 auto 1.5rem;
}

.success-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-facebook-messenger {
  background: #006aff;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 106, 255, 0.25);
}

.btn-facebook-messenger:hover {
  background: #0056d2;
  box-shadow: 0 6px 20px rgba(0, 106, 255, 0.4);
}

/* ==========================================================================
   CUSTOMER REVIEWS SECTION
   ========================================================================== */

.reviews {
  padding: 8rem 0;
}

.reviews-carousel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.review-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.review-stars {
  color: var(--primary-gold);
  font-size: 0.95rem;
}

.review-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.review-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-style: italic;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.review-user-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-glass);
}

.review-user-info h4 {
  font-size: 0.95rem;
  color: #fff;
}

.review-user-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   HIDDEN MERCHANT ADMIN DASHBOARD
   ========================================================================== */

.merchant-admin-dashboard {
  background: #0d0d11;
  border-top: 2px solid var(--border-gold-glass);
  padding: 5rem 0;
  display: none; /* Controlled dynamically via secret key/clicks */
}

.merchant-dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 1.5rem;
}

.merchant-dashboard-header h2 {
  font-size: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.merchant-dashboard-header h2 i {
  color: var(--primary-gold);
}

.orders-table-wrapper {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  background: var(--bg-secondary);
}

.orders-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.orders-table th, .orders-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-glass);
}

.orders-table th {
  background: var(--bg-tertiary);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.orders-table td {
  font-size: 0.95rem;
}

.orders-table tr:last-child td {
  border-bottom: none;
}

.order-id-cell {
  font-family: monospace;
  font-weight: 700;
  color: var(--primary-gold);
}

.order-date-cell {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.order-qty-cell {
  font-weight: 700;
}

.order-price-cell {
  font-weight: 700;
  color: var(--primary-gold);
}

.order-slip-thumb {
  width: 60px;
  height: 80px;
  border-radius: 6px;
  object-fit: cover;
  cursor: zoom-in;
  border: 1px solid var(--border-glass);
  transition: var(--transition-smooth);
}

.order-slip-thumb:hover {
  transform: scale(1.1);
  border-color: var(--primary-gold);
}

.order-actions-cell button {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.order-actions-cell button:hover {
  background: var(--error);
  color: #fff;
}

.no-orders-msg {
  padding: 4rem;
  text-align: center;
  color: var(--text-secondary);
}

.no-orders-msg i {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */

footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-glass);
  padding: 5rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-brand-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-social-links {
  display: flex;
  gap: 1rem;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-bounce);
}

.social-icon-btn:hover {
  background: var(--primary-gold);
  color: #000;
  transform: translateY(-3px);
}

.footer-column h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #fff;
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-column ul a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-column ul a:hover {
  color: var(--primary-gold);
  padding-left: 5px;
}

.footer-contact-details li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.footer-contact-details li i {
  color: var(--primary-gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-secret-trigger {
  cursor: pointer;
  user-select: none;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  .hero-grid, .features-grid, .dimensions-grid, .checkout-grid, .cleaning-tab-content-card, .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-grid {
    text-align: center;
  }
  .hero-badge, .hero-cta-wrapper {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-wrapper {
    justify-content: center;
  }
  .trust-badges-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .hero-media {
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
  }
  .hero-floating-card {
    left: 2rem;
  }
  .layer-showcase {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 2rem;
  }
  .layer-diagram-container {
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }
  .layer-visuals {
    height: 320px;
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
  }
  .matcher-wrapper {
    grid-template-columns: 1fr;
  }
  .vehicle-display-split-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .matcher-car-image-container {
    height: 260px;
    max-width: 450px;
    margin: 0 auto;
    width: 100%;
  }
  .reviews-carousel {
    grid-template-columns: repeat(2, 1fr);
  }
  .checkout-left-summary {
    position: relative;
    top: 0;
  }
}

@media (max-width: 768px) {
  nav {
    display: none; /* Mobile menu can be expanded toggled */
  }
  .mobile-menu-btn {
    display: block;
  }
  .container {
    padding: 0 1.5rem;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-cta-wrapper {
    flex-direction: column;
    gap: 1rem;
  }
  .trust-badges-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .reviews-carousel {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .modal-container {
    padding: 2rem 1.5rem;
  }
  .cleaning-tab-btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }
  .cleaning-tab-content-card {
    padding: 2rem 1.5rem;
  }
}

/* ==========================================================================
   INTELLIGENT FAQ ACCORDION STYLING
   ========================================================================== */

.faq {
  padding: 8rem 0;
  background-color: var(--bg-primary);
}

.faq-question:hover span {
  color: var(--primary-gold);
}

.faq-item {
  border: 1px solid var(--border-glass) !important;
  transition: all 0.3s ease;
}

.faq-item.active {
  border-color: var(--primary-gold) !important;
  box-shadow: 0 4px 20px var(--primary-gold-glow);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary-gold);
}

.faq-tab-btn {
  border: 1px solid var(--border-glass);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.faq-tab-btn:hover {
  border-color: rgba(255, 255, 255, 0.15) !important;
  color: #fff !important;
}

.faq-tab-btn.active {
  background: var(--primary-gold-glow) !important;
  border-color: var(--primary-gold) !important;
  color: var(--primary-gold) !important;
}

.faq-answer-content a {
  color: var(--primary-gold);
  text-decoration: underline;
  transition: var(--transition-smooth);
}

.faq-answer-content a:hover {
  color: #fff;
}

/* Responsive tweaks for FAQ */
@media (max-width: 768px) {
  .faq {
    padding: 6rem 0;
  }
  .faq-search-wrapper {
    padding: 1rem;
    margin-bottom: 2rem;
  }
  .faq-question span {
    font-size: 0.95rem;
  }
  .faq-answer-content {
    font-size: 0.85rem;
  }
}